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Help Center316L Stainless Steel Lithium Chloride Evaporator, PLC Automatic Control, 1000L/H Capacity
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Qingdao Conqinphi Environmental Technology Group Co., Ltd. is a professional manufacturer with over 9 years of experience in the environmental technology sector. Our factory spans 10,000–30,000 square meters and we employ 201–300 skilled workers. We are proud to introduce our 316L Stainless Steel Lithium Chloride Evaporator with PLC automatic control and a capacity of 1000 L/H. This evaporator is designed to efficiently concentrate lithium chloride solutions while maintaining high purity and low energy consumption. It is an ideal solution for the lithium battery industry, chemical processing, and brine treatment applications.
The unit is constructed from 316L stainless steel, which offers superior corrosion resistance against chloride ions, ensuring long service life even in harsh environments. The PLC automatic control system provides precise regulation of temperature, pressure, and flow rate, allowing for unattended operation and consistent product quality. With a capacity of 1000 liters per hour, this evaporator is suitable for medium-scale production lines. Below we detail its key features, technical specifications, and benefits.
Key Features and Advantages
- High Corrosion Resistance: 316L stainless steel contains molybdenum, which provides excellent resistance to pitting and crevice corrosion caused by chlorides. This is critical for lithium chloride evaporation since chloride ions are highly corrosive to standard stainless steels.
- PLC Automatic Control: The system uses a programmable logic controller (PLC) with a touch-screen interface. Operators can set parameters such as evaporation temperature, vacuum level, and feed rate. The PLC automatically adjusts valves and heaters to maintain the set points, reducing manual intervention and human error.
- Energy Efficient Design: The evaporator is equipped with a heat recovery system that preheats the incoming feed using the hot condensate, saving up to 20% energy compared to conventional designs. Optional MVR (Mechanical Vapor Recompression) technology can further reduce energy consumption.
- Compact Footprint: Despite its 1000 L/H capacity, the unit is designed with a modular layout. It occupies a floor area of approximately 5m x 3m, making it easy to integrate into existing production lines.
- Easy Maintenance: All wetted parts are made of 316L stainless steel or PTFE. The evaporator body features a quick-opening manhole for inspection and cleaning. The PLC system includes diagnostic alerts for maintenance reminders.
- Consistent Product Quality: The closed-loop control ensures that the final lithium chloride concentration remains within ±0.5% of the target value. This is vital for downstream processes such as electrolysis or battery material synthesis.
Technical Specifications
| Parameter | Value |
|---|---|
| Material of Construction | 316L Stainless Steel (SS316L) |
| Evaporation Capacity | 1000 L/H (water evaporation at 100°C, 1 atm) |
| Operating Temperature | 60°C – 120°C (adjustable via PLC) |
| Operating Pressure | Atmospheric or vacuum (optional vacuum pump) |
| Heating Method | Steam or electric heating (customizable) |
| Power Supply | 380V/50Hz, 3-phase (other voltages available) |
| Control System | PLC + HMI (Siemens or Mitsubishi optional) |
| Dimensions (L×W×H) | 5000×3000×3500 mm (approx.) |
| Weight | ~3500 kg |
Customer Benefits
- Reduced Operational Costs: The energy-efficient design and automatic control lower electricity and steam consumption. The PLC minimizes waste by preventing over-evaporation.
- Enhanced Safety: The 316L stainless steel construction eliminates the risk of contamination. The PLC includes alarms for over-temperature, over-pressure, and low flow, protecting both equipment and operators.
- Scalability: The modular design allows for easy expansion. Multiple units can be connected in parallel to increase capacity without major redesign.
- Compliance with Standards: Our company is certified under ISO9001, ISO14000, OHSAS18001, and other management systems. The evaporator is manufactured following strict quality control procedures.
- Short Lead Time: As a manufacturer with a large factory, we can deliver the evaporator within 30–45 days after order confirmation. We also offer on-site installation and commissioning support.
Qingdao Conqinphi Environmental Technology Group Co., Ltd. was established in 2015 and has grown into a leading environmental technology enterprise. Our factory size of 10,000–30,000 m² and annual export value of US$10–50 million demonstrate our strong production capacity and global reach. We have successfully served clients in North America, South America, Europe, Southeast Asia, Africa, and the Middle East. Our products are shipped from the port of Qingdao, ensuring efficient logistics.
We understand that every application is unique. Our engineering team can customize the evaporator to meet specific process requirements, such as different feed concentrations, desired final concentration, or special materials. We offer a full range of services, including after-sales technical support, spare parts supply, and remote PLC troubleshooting. Contact us today to discuss your lithium chloride evaporation needs and receive a detailed proposal.
Frequently Asked Questions (FAQ)
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Q: What is the maximum concentration of lithium chloride that can be achieved with this evaporator?
A: The achievable concentration depends on the feed composition and operating conditions. Typically, we can concentrate lithium chloride up to 40–45% (by weight) under atmospheric pressure. Higher concentrations can be achieved with vacuum operation or by using a multi-effect design. We can simulate your specific feed to provide a guaranteed concentration. -
Q: Can the evaporator handle feed with suspended solids or impurities?
A: The evaporator is designed for clean solutions. If your feed contains solid particles, we recommend installing a pre-filter or a settling tank upstream. For high fouling applications, we can provide a forced circulation or scraped surface evaporator design. -
Q: What is the typical energy consumption per liter of water evaporated?
A: For a single-effect steam-heated evaporator, the steam consumption is approximately 1.1–1.3 kg of steam per kg of water evaporated. With optional MVR, the electrical consumption is about 15–30 kWh per 1000 kg of water evaporated. Actual values depend on operating temperature and heat recovery. -
Q: How long does the 316L stainless steel last in contact with lithium chloride?
A: 316L stainless steel is highly resistant to chloride stress corrosion cracking. In typical lithium chloride solutions (pH 5–8, temperature -
Q: Is the PLC system compatible with remote monitoring and SCADA?
A: Yes, the PLC can be equipped with an Ethernet module for remote access. It supports Modbus TCP/IP protocol, allowing integration with your existing SCADA or DCS system. We can also provide a cloud-based monitoring option. -
Q: What certifications does this evaporator comply with?
A: Our manufacturing facility is certified under ISO9001, ISO14000, OHSAS18001, HACCP, and other standards. The evaporator itself can be designed to meet ASME, CE, or other pressure vessel codes upon request. Please specify your required certification during inquiry. -
Q: Do you provide installation and training?
A: Yes, we offer on-site installation supervision and commissioning services. Our team can train your operators on PLC programming, maintenance, and troubleshooting. We also provide detailed manuals and video tutorials. -
Q: What is the delivery time and shipping terms?
A: Standard delivery is 30–45 days after receipt of down payment. We ship from Qingdao port, China. Common shipping terms are FOB, CIF, or DAP. We can arrange freight for you.
For more information or a customized quotation, please contact our sales team. We are committed to providing high-quality, durable, and efficient evaporation solutions for the lithium chloride industry.
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